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<title>Example: DataSchema.Text</title>
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<h1>Example: DataSchema.Text</h1>
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<p>DataSource.Text normalizes delimited text data against a given schema into an object with known properties.</p>
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<style scope>
/* custom styles for this example */
#demo .output {margin-bottom:1em; padding:10px; border:1px solid #D9D9D9;}
</style>
<form id="demo">
<h6>Data</h6>
<pre>
notebooks, 100, spiral-bound
pencils, 300, #2 with erasers
pens, 500, blue ink
</pre>
<h6>Schema</h6>
<pre>
{
resultDelimiter: "\n",
fieldDelimiter: ",",
resultFields: [{key:"product"}, {key:"quantity"}, {key:"detail"}]
}
</pre>
<h6>Normalized data</h6>
<input type="button" id="demo_apply" value="Apply schema =>">
<div id="demo_output" class="output"></div>
</form>
<script>
YUI().use("dump", "node", "dataschema-text", function (Y) {
Y.on("click", function(e){
var data_in = "notebooks, 100, spiral-bound\npencils, 300, #2 with erasers\npens, 500, blue ink\n",
schema = {
resultDelimiter: "\n",
fieldDelimiter: ",",
resultFields: [{key:"product"}, {key:"quantity"}, {key:"detail"}] // Or simply: ["product", "quantity", "detail"]
};
Y.one("#demo_output").setHTML(Y.dump(Y.DataSchema.Text.apply(schema, data_in)));
}, "#demo_apply");
});
</script>
</div>
<p>In order to use DataSchema.Text, input data must be delimited text. Define as your schema's <code>resultDelimiter</code> property the string that separates each result, and define as your schema's <code>fieldDelimiter</code> property the string that separates each field of each result.</p>
<pre class="code prettyprint">YUI().use("dataschema-text", function(Y) {
var data_in = "notebooks, 100, spiral-bound\\npencils, 300, #2 with erasers\\npens, 500, blue ink",
schema = {
resultDelimiter: "\\n",
fieldDelimiter: ",",
// Or simply: ["product", "quantity", "detail"]
resultFields: [{key:"product"}, {key:"quantity"}, {key:"detail"}]
},
data_out = Y.DataSchema.Text.apply(schema, data_in));
alert(data_out);
});</pre>
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<h2 class="no-toc">Examples</h2>
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<ul class="examples">
<li data-description="Schema parsing a JavaScript array.">
<a href="dataschema-array.html">DataSchema.Array</a>
</li>
<li data-description="Schema parsing JSON data.">
<a href="dataschema-json.html">DataSchema.JSON</a>
</li>
<li data-description="Schema parsing XML data.">
<a href="dataschema-xml.html">DataSchema.XML for XML Data</a>
</li>
<li data-description="Schema parsing data held in TABLE elements.">
<a href="dataschema-table.html">DataSchema.XML for HTML Tables</a>
</li>
<li data-description="Schema parsing delimited plain-text data.">
<a href="dataschema-text.html">DataSchema.Text</a>
</li>
<li data-description="Parsing data into specified types as the schema is being applied.">
<a href="dataschema-parsing.html">Enforcing DataTypes</a>
</li>
</ul>
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<h2 class="no-toc">Examples That Use This Component</h2>
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<ul class="examples">
<li data-description="The Local DataSource manages retrieval of in-page data, from JavaScript arrays and objects to DOM elements.">
<a href="../datasource/datasource-local.html">DataSource.Local</a>
</li>
<li data-description="The Get DataSource, which manages retrieval of data from remote sources via the Get Utility, can be useful for accessing data from cross-domain servers without the need for a proxy.">
<a href="../datasource/datasource-get.html">DataSource.Get</a>
</li>
<li data-description="The IO DataSource manages retrieval of data from remote sources, via the IO Utility.">
<a href="../datasource/datasource-io.html">DataSource.IO</a>
</li>
<li data-description="The Function DataSource, which manages retrieval of data from a JavaScript function, provides a highly customizeable mechanism for implementer-defined data retrieval algorithms">
<a href="../datasource/datasource-function.html">DataSource.Function</a>
</li>
<li data-description="Use the DataSourceCache plugin to enable caching and reduce server calls to remote sources.">
<a href="../datasource/datasource-caching.html">DataSource with Caching</a>
</li>
<li data-description="The DataSourceCache plugin supports offline caching so that cached data persists across browser sessions.">
<a href="../datasource/datasource-offlinecache.html">DataSource with Offline Cache</a>
</li>
</ul>
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<script src="../assets/vendor/prettify/prettify-min.js"></script>
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<script>
YUI.Env.Tests = {
examples: [],
project: '../assets',
assets: '../assets/dataschema',
name: 'dataschema-text',
title: 'DataSchema.Text',
newWindow: '',
auto: false
};
YUI.Env.Tests.examples.push('dataschema-array');
YUI.Env.Tests.examples.push('dataschema-json');
YUI.Env.Tests.examples.push('dataschema-xml');
YUI.Env.Tests.examples.push('dataschema-table');
YUI.Env.Tests.examples.push('dataschema-text');
YUI.Env.Tests.examples.push('dataschema-parsing');
YUI.Env.Tests.examples.push('datasource-local');
YUI.Env.Tests.examples.push('datasource-get');
YUI.Env.Tests.examples.push('datasource-io');
YUI.Env.Tests.examples.push('datasource-function');
YUI.Env.Tests.examples.push('datasource-caching');
YUI.Env.Tests.examples.push('datasource-offlinecache');
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